﻿using System;
using System.Collections.Generic;


namespace RoughJs.Ast
{
    /// <summary>
    /// 2010-01-5 ----- 2010-01-29
    /// 陈曦 1.0
    /// Microsoft Public License (Ms-PL)
    ///This license governs use of the accompanying software. If you use the software, you accept this license. If you do not accept the license, do not use the software.
    ///1. Definitions
    ///The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning here as under U.S. copyright law.
    ///A "contribution" is the original software, or any additions or changes to the software.
    ///A "contributor" is any person that distributes its contribution under this license.
    ///"Licensed patents" are a contributor's patent claims that read directly on its contribution.
    ///2. Grant of Rights
    ///(A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution or any derivative works that you create.
    ///(B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution in the software or derivative works of the contribution in the software.
    ///3. Conditions and Limitations
    ///(A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
    ///(B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your patent license from such contributor to the software ends automatically.
    ///(C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution notices that are present in the software.
    ///(D) If you distribute any portion of the software in source code form, you may do so only under this license by including a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or object code form, you may only do so under a license that complies with this license.
    ///(E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a particular purpose and non-infringement. 
    /// 编译器设置
    /// </summary>
    public class CompilerEnvirons
    {
        public CompilerEnvirons()
        {
            errorReporter = DefaultErrorReporter.instance;
            languageVersion = Context.VERSION_DEFAULT;
            generateDebugInfo = true;
            useDynamicScope = false;
            reservedKeywordAsIdentifier = false;
            allowMemberExprAsFunctionName = false;
            xmlAvailable = true;
            optimizationLevel = 0;
            generatingSource = true;
            strictMode = false;
            warningAsError = false;
            generateObserverCount = false;
        }


        public void initFromContext(Context cx)
        {
            setErrorReporter(cx.getErrorReporter());
            this.languageVersion = cx.getLanguageVersion();
            useDynamicScope = cx.compileFunctionsWithDynamicScopeFlag;
            generateDebugInfo = (!cx.isGeneratingDebugChanged()
                                 || cx.isGeneratingDebug());
            reservedKeywordAsIdentifier
                = cx.hasFeature(Context.FEATURE_RESERVED_KEYWORD_AS_IDENTIFIER);
            allowMemberExprAsFunctionName
                = cx.hasFeature(Context.FEATURE_MEMBER_EXPR_AS_FUNCTION_NAME);
            strictMode
                = cx.hasFeature(Context.FEATURE_STRICT_MODE);
            warningAsError = cx.hasFeature(Context.FEATURE_WARNING_AS_ERROR);
            xmlAvailable
                = cx.hasFeature(Context.FEATURE_E4X);

            optimizationLevel = cx.getOptimizationLevel();

            generatingSource = cx.isGeneratingSource();
            activationNames = cx.activationNames;

            generateObserverCount = cx.generateObserverCount;
        }


        public ErrorReporter getErrorReporter()
        {
            return errorReporter;
        }

        public void setErrorReporter(ErrorReporter errorReporter)
        {
            if (errorReporter == null) throw new Exception();
            this.errorReporter = errorReporter;
        }

        public int getLanguageVersion()
        {
            return languageVersion;
        }

        public void setLanguageVersion(int languageVersion)
        {
            Context.checkLanguageVersion(languageVersion);
            this.languageVersion = languageVersion;
        }

        public bool isGenerateDebugInfo()
        {
            return generateDebugInfo;
        }

        public void setGenerateDebugInfo(bool flag)
        {
            this.generateDebugInfo = flag;
        }

        public bool isUseDynamicScope()
        {
            return useDynamicScope;
        }

        public void setGeneratingSource(bool generatingSource) { this.generatingSource = generatingSource; }
        public bool isReservedKeywordAsIdentifier()
        {
            return reservedKeywordAsIdentifier;
        }
        public void setReservedKeywordAsIdentifier(bool flag)
        {
            reservedKeywordAsIdentifier = flag;
        }
        public bool isStrictMode()
        {
            return strictMode;
        }
        public bool reportWarningAsError()
        {
            return warningAsError;
        }

        public bool isXmlAvailable()
        {
            return xmlAvailable;
        }

        public bool isAllowMemberExprAsFunctionName()
        {
            return allowMemberExprAsFunctionName;
        }

        public void setAllowMemberExprAsFunctionName(bool flag)
        {
            allowMemberExprAsFunctionName = flag;
        }
        public void setOptimizationLevel(int level)
        {
            Context.checkOptimizationLevel(level);
            this.optimizationLevel = level;
        }
        public void setXmlAvailable(bool flag)
        {
            xmlAvailable = flag;
        }

        public int getOptimizationLevel()
        {
            return optimizationLevel;
        }

        public bool isGeneratingSource()
        {
            return generatingSource;
        }


        public bool isGenerateObserverCount()
        {
            return generateObserverCount;
        }


        public void setGenerateObserverCount(bool generateObserverCount)
        {
            this.generateObserverCount = generateObserverCount;
        }

        private ErrorReporter errorReporter;

        private bool generatingSource;
        private bool allowMemberExprAsFunctionName;
        private bool generateDebugInfo;
        private bool useDynamicScope;
        private bool reservedKeywordAsIdentifier;
        private bool xmlAvailable;
        private int optimizationLevel;
        private int languageVersion;
        private bool warningAsError;
        private bool strictMode;
        private bool generateObserverCount;
        public IList<String> activationNames;
    }
}
